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MC-195T-US
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Summary of Contents for Rinnai MC-195T-US
- Page 1 CLICK ANYWHERE on THIS PAGE to RETURN RINNAI WATER HEATER AGE DECODE, MANUALS, ERROR CODES at InspectApedia.com Operation I Installation Manual LOCK ONIOFF FUNCTION PRIORITY DOWN OVERRIDE TIMER I SELECT MC-195T-US MC-195T-US 36ß6 U321-0101(01) 130327ß...
- Page 2 Installation Before installing the MC-195T-US controller to any Rinnai Tankless Water Heater be sure that: The MC-195T-US controller is not be installed in combination with any Rinnai GTKkit, third party recircula- tion timer, or aquastat control. Only one MC-195T-US controller is connected to the tankless water heater. The MC-195T-US can be connected along with up to 3 additional MC-91-2-US controllers.
- Page 3 1SELECT Timer Button TIMER 1 & 2 Press to turn Timer Icon Function or OFF. Shows which MC-195T-US timer is in operation. ON/OFF Icon OVERRIDE/SELECTION Button Priority Button (Circulation) Displays if Circulation is "ON" or Press to switch priority between...
- Page 4 Setting the Clock Setting the Clock Time The display will default to "AMPM— when the controller is powered on for the first time. Press the "FUNCTION" button while controller is "Off. -"AM 12:00" will be displayed flashing. Press "UP" or "DOWN" butons to adjust the current time.
- Page 5 Priority & Temperature Settings Setting Priority The "PRIORITY"button is only used when there is more than one temperature controller connected to a tankless water heater. Only the controller with the "Priority" icon will have the ability to change the temperature so as to avoid scalding or other injury.
- Page 6 Locking the Controller Lock Function The "Lock" function will prevent the buttons on the controller from working a safeguard against small children or otherwise inappropriate operation. -The "Lock" function can be used whether the controller is "ON" or "OFF". -When the "Lock" function is active, all other buttons are locked out except for the "LOCK" button. NOTE When the controller with priority is locked, all remote controllers...
- Page 7 Functions Pressing the "FUNCTION" while the controller is "ON" (without using the Timer feature), will allow the user to set various modes of the 4 main functions. The 4 main functions include: 1. Power Saving, 2. Audible Beep, 3. Clock Display, and 4.
- Page 8 Circulation & Timer Features Using the Circulation Function (with Timer) (Be sure prior to using the timer that the clock time is correct, unless the clock is set the timer setting will not be accessible) Ensure the controller is "ON" Press the "TIMER"...
- Page 9 Circulation & Timer Features Changing the "TIMER" settings Press the "TIMER" button to display the settings for "TIMER 1". Press the "FUNCTION" button -The grid for the current time will flash along with the "TIMER 1" icon. -When the flashing grid is within the range of the circulation programming, "ON"...
- Page 10 Circulation & Timer Features Press the "OVERRIDE/SELECT" button. -"ON" icon will turn to the "OFF" icon -The grid from 6:00AM-7:OOAM will no longer be lit. 5. Press the "UP" or "DOWN" button to move the grid to -The grid from 8:00AM-9:OOAM will now flash.
- Page 11 "ON". -In the event that there are multiple controllers connected to the unit, be sure the "Prioritf' icon is displayed on the MC-195T-US. Use the "UP" or "DOWN" button to set the desired temperature of the circulation. -The circulation will heat and keep the water in the piping at the set temperature.
- Page 12 Circulation & Timer Features Using the Circulation Function (with Override) During 'Timer" operation the "Override" function can be used to temporarily alternate the programmed circulation setting. 1. Pressthe "OVERRIDE/SELECTION" button during a "Timer" operation. Example: When the "OVERRIDE/SELECTION" button is pressed at 2:30PM, the grids from 2:00PM-6:OOPM will come "ON"...
- Page 13 Controller Installation WARNING Turn the power off. Do not attempt to connect the temperature controllers with the power on. Although the controller is a low voltage device, there is 120 volt potential next to the temperature controller connections inside unit. Do not connect the temperature controller to the 120VAC terminals provided for the optional solenoid drain...
- Page 14 Hole Hook Move downward (Image 4) Screw 16x.98in) Remote Controller (Image 2) Closed connector Wire (Image Installation using exposed wires onto wall Ouse a utilityknifeor pairof snips to remove the plastic fromthewireoutlet.Route the remotecontrolwire through the pathway, under the hook and through the outlet. @Followinstructions 1 -3ontheprevious page forwallmounting instructions.
- Page 15 Connecting to the PC Board Disconnect the power from the water heater. Remove the plastc cover from the PCB and electrical connections. Thread the cable through the access hole at the base of the unit and connect the wires to the Terminals Control (TFC)on the right hand side bottom of the PCB.
- Page 16 A Included • • Cool-to-the-touch Cabinet • Blower Included Hydronic Furnace Zero Clearance to Combustibles Designed for Use with Rinnai Systems • Accommodates Standard Cased-Coils • Domestic Hot Water Priority Optional Programmable Thermostat Boilers • Residential and Commercial up to 96.5% AFUE efficiency...
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